Engine


Here is a paper direct from Cummins. Although is applied to big rigs, it has great basic info on fuel economy. I personally have achieved a 10% mileage increase in my electric truck by adding synthetic lube to the trans, the diff and a zero toe front end alignment. Low rolling resistance tires make a great difference as well in my experience.

The belt was about 40% worn away. So a new one went in today.